Bunn Single SH User Guide
Page 43
28170.0004B 11/99 © 1999 BUNN-O-MATIC CORPORATION
208/240 VOLTS AC 2 WIRE
SINGLE PHASE
PROBE
PNK-20
BLK
BLK
RED
SOL
RED
RED
OVERFLOW
PROTECTION SW
RED
RED
READY INDICATOR
SCHEMATIC WIRING DIAGRAM
SINGLE SH BK
VIO
BLU
L1
GRN
RED-12
BLK-12
BLK
BLK
BLK-12
K1
N.O.
RED-12
BLK-12
L2
BLU
OPTIONAL
GRINDER
INTERFACE
CONNECTOR
FRACTIONAL BATCHES
(CONNECT
AS REQUIRED)
FULL BATCH
(NO CONNECTION)
ORA
BLU
YEL
WHI/VIO
1/4 BATCH
1/3 BATCH
1/2 BATCH
2/3 BATCH
1/3 BATCH
1/2 BATCH
2/3 BATCH
3/4 BATCH
BATCH COMMON
BATCH COMMON
S
E
L
E
C
T
O
R
E
L
E
C
T
O
R
S
W
W
WHI/ORA
WHI/GRN
WHI/GRN
WHI/YEL
WHI/RED
1
2
3
4
5
2
3
4
5
BREW
TIMER
WHI/BLK
WHI/VIO
RED
RED
RED
RED
RED
WHI/VIO
WHI/GRN
WATER
BYPASS VALVE
WHI/RED
WHI/VIO
REFILL VALVE
4
3
2
1
3
2
1
TANK HEATER
K1
K1
N.O.
SW. & THERMOSTAT
1
2
3
4
2
3
4
LIQUID
LEVEL
BOARD
SOL
DISPENSE
VALVE
SOL
ON/OFF
SWITCH
+
–
AC
AC
RECTIFIER
4
AMP
TRANSFORMER
RED
BLK
BLU/BLK
BLU/BLK
BLK
BLK
12
11
1
2
5
6
7
8
Front view of Brewer
Server Connector
24VDC
+
–
+
–
N.C.
GRY
TAN
PNK
TANK HEATER
CONTACTOR
CIRCUIT
BREAKER
LIMIT THERMOSTAT
BLU/BLK
LEFT
RIGHT
NEON
TIMER
ST
AR
T
NEON
TIMER
ST
AR
T
LEFT
RIGHT
SERVER INPUT
SERVER DETECT BOARD
COM
COM
L1
N
BLK
WHI
START
SWITCH
BLK
BLK
SERVER
PRESENT
YEL
BLU/BLK
BLK
RED
HOT WATER
DISPENSE
SWITCH
HOT WATER
FAUCET VALVE
SOL
BLK
WHI
FAUCET TUBE HEATER
BLK
BLK
BLK
WHI
RED
WHI
WHI
28230 092200